/**
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance with the License. You may obtain a
 * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
 * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
 * for the specific language governing permissions and limitations under the License.
 */
package org.apache.hadoop.hbase.replication;

import org.apache.yetus.audience.InterfaceAudience;

/**
 * A HBase ReplicationLoad to present MetricsSink information
 */
@InterfaceAudience.Public
public class ReplicationLoadSink {
  private final long ageOfLastAppliedOp;
  private final long timestampsOfLastAppliedOp;
  private final long timestampStarted;
  private final long totalOpsProcessed;

  private ReplicationLoadSink(long age, long timestamp, long timestampStarted,
      long totalOpsProcessed) {
    this.ageOfLastAppliedOp = age;
    this.timestampsOfLastAppliedOp = timestamp;
    this.timestampStarted = timestampStarted;
    this.totalOpsProcessed = totalOpsProcessed;
  }

  public long getAgeOfLastAppliedOp() {
    return this.ageOfLastAppliedOp;
  }

  public long getTimestampsOfLastAppliedOp() {
    return this.timestampsOfLastAppliedOp;
  }

  public long getTimestampStarted() {
    return timestampStarted;
  }

  public long getTotalOpsProcessed() {
    return totalOpsProcessed;
  }

  @InterfaceAudience.Private
  public static ReplicationLoadSinkBuilder newBuilder() {
    return new ReplicationLoadSinkBuilder();
  }

  @InterfaceAudience.Private
  public static final class ReplicationLoadSinkBuilder {
    private long ageOfLastAppliedOp;
    private long timestampsOfLastAppliedOp;
    private long timestampStarted;
    private long totalOpsProcessed;

    private ReplicationLoadSinkBuilder() {}

    public ReplicationLoadSinkBuilder setAgeOfLastAppliedOp(long ageOfLastAppliedOp) {
      this.ageOfLastAppliedOp = ageOfLastAppliedOp;
      return this;
    }

    public ReplicationLoadSinkBuilder setTimestampsOfLastAppliedOp(long timestampsOfLastAppliedOp) {
      this.timestampsOfLastAppliedOp = timestampsOfLastAppliedOp;
      return this;
    }

    public ReplicationLoadSinkBuilder setTimestampStarted(long timestampStarted) {
      this.timestampStarted = timestampStarted;
      return this;
    }

    public ReplicationLoadSinkBuilder setTotalOpsProcessed(long totalOpsProcessed) {
      this.totalOpsProcessed = totalOpsProcessed;
      return this;
    }

    public ReplicationLoadSink build() {
      return new ReplicationLoadSink(ageOfLastAppliedOp, timestampsOfLastAppliedOp,
        timestampStarted, totalOpsProcessed);
    }
  }
}
